Crystal of imidazo-oxazine, pharmaceutical composition containing said crystal, and method for producing said crystal
申请人:TAIHO PHARMACEUTICAL CO., LTD.
公开号:US10323044B2
公开(公告)日:2019-06-18
An object of the present invention is to provide a crystal of trans-3-amino-1-methyl-3-(4-(3-phenyl-5H-imidazo[1,2-c]pyrido[3,4-e][1,3]oxazin-2-yl)phenylcyclobutanol having excellent stability and favorable characteristics in terms of its production and formulation into drugs. The present invention provides a crystal of trans-3-amino-1-methyl-3-(4-(3-phenyl-5H-imidazo[1,2-c]pyrido[3,4-e][1,3]oxazin-2-yl)phenylcyclobutanol having characteristic peaks of diffraction angle (2θ±0.1°) at 7.7°, 9.5°, 10.3°, 12.3°, 14.5°, 15.6°, 16.3°, 17.8°, 18.3°, 19.3°, 20.9°, 22.8°, 24.2°, 25.7°, 26.8°, 27.7°, 29.0° and 30.1° in a powder X-ray diffraction spectrum.
本发明的目的是提供一种反式-3-氨基-1-甲基-3-(4-(3-苯基-5H-咪唑并[1,2-c]吡啶并[3,4-e][1,3]恶嗪-2-基)苯基环丁醇晶体,该晶体具有极佳的稳定性,在生产和配制成药物方面具有良好的特性。本发明提供了一种反式-3-氨基-1-甲基-3-(4-(3-苯基-5H-咪唑并[1,2-c]吡啶并[3,4-e][1,3]恶嗪-2-基)苯基环丁醇晶体,其衍射角特征峰 (2θ±0.在粉末 X 射线衍射谱中,在 7.7°、9.5°、10.3°、12.3°、14.5°、15.6°、16.3°、17.8°、18.3°、19.3°、20.9°、22.8°、24.2°、25.7°、26.8°、27.7°、29.0° 和 30.1°处有特征衍射角 (2θ±0. 1°) 的峰。